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.\" ========================================================================
.\"
.IX Title "App::Cme::Command::modify 3pm"
.TH App::Cme::Command::modify 3pm "2020-07-18" "perl v5.30.3" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
App::Cme::Command::modify \- Modify the configuration of an application
.SH "VERSION"
.IX Header "VERSION"
version 1.032
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&  # modify configuration with command line
\&  cme modify dpkg source \*(Aqformat="(3.0) quilt"\*(Aq
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Modify a configuration file with the values passed on the command line.
These command must follow the syntax defined in Config::Model::Loader
(which is similar to the output of cme dump command)
.PP
Example:
.PP
.Vb 2
\&   cme modify dpkg \*(Aqsource format="(3.0) quilt"\*(Aq
\&   cme modify multistrap my_mstrap.conf \*(Aqsections:base source="http://ftp.fr.debian.org"\*(Aq
.Ve
.PP
Some application like dpkg-copyright allows you to override the
configuration file name. You must then use \f(CW\*(C`\-file\*(C'\fR option:
.PP
.Vb 1
\&   cme modify dpkg\-copyright \-file ubuntu/copyright \*(AqComment="Silly example"\*(Aq
.Ve
.PP
Finding the right instructions to perform a modification may be
difficult when starting from scratch.
.PP
To get started, you can run \f(CW\*(C`cme dump \-\-format cml\*(C'\fR command to get
the content of your configuration in the syntax accepted by \f(CW\*(C`cme modify\*(C'\fR:
.PP
.Vb 7
\& $ cme dump ssh \-format cml
\& Host:"*" \-
\& Host:"alioth.debian.org"
\&   User=dod \-
\& Host:"*.debian.org"
\&   IdentityFile:="~/.ssh/id_debian"
\&   User=dod \-
.Ve
.PP
Then you can use this output to create instruction for a modification:
.PP
.Vb 3
\& $  cme modify ssh \*(AqHost:"*" User=dod\*(Aq
\& Changes applied to ssh configuration:
\& \- Host:"*" User has new value: \*(Aqdod\*(Aq
.Ve
.SH "Common options"
.IX Header "Common options"
See \*(L"Global Options\*(R" in cme.
.SH "options"
.IX Header "options"
.IP "\-save" 4
.IX Item "-save"
Force a save even if no change was done. Useful to reformat the configuration file.
.IP "\-verbose" 4
.IX Item "-verbose"
Show effect of the modify instructions.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
cme
.SH "AUTHOR"
.IX Header "AUTHOR"
Dominique Dumont
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This software is Copyright (c) 2014\-2020 by Dominique Dumont.
.PP
This is free software, licensed under:
.PP
.Vb 1
\&  The GNU Lesser General Public License, Version 2.1, February 1999
.Ve